Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 16:48

General

  • Target
    2026-05-03_0ad42971fbfbe0e4bcccb4be84873d08_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe
  • Size 1.2MB
  • Sample260503-vbhm9shs3m
  • SHA256 58936790d5d2d3f39aed32c0e4ceba83191a8e6fb6532a95d994a3e3e4afca9c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\2026-05-03_0ad42971fbfbe0e4bcccb4be84873d08_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-05-03_0ad42971fbfbe0e4bcccb4be84873d08_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:460
      • C:\Users\Admin\Videos\Symbiote.exe
        C:\Users\Admin\Videos\Symbiote.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1676
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -c Add-MpPreference -ExclusionProcess "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3736
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2844
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -c Add-MpPreference -ExclusionProcess "C:\Users\Admin\Videos\Symbiote.exe"
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1648
      • C:\Program Files\Java\jdk-1.8\bin\java.exe
        "C:\Program Files\Java\jdk-1.8\bin\java.exe" -Xmx256M "-Djavafx.home=C:\Users\Admin\AppData\Local\Temp" -classpath "C:\Users\Admin\AppData\Local\Temp\..\lib\ant-javafx.jar;" com.sun.javafx.tools.packager.Main
        3⤵
          PID:732
    • C:\Users\Admin\Videos\Symbiote.exe
      C:\Users\Admin\Videos\Symbiote.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -c Add-MpPreference -ExclusionProcess "C:\Users\Admin\Videos\Symbiote.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4724
      • C:\Users\Admin\Videos\Symbiote.exe
        "C:\Users\Admin\Videos\Symbiote.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4832
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -c Add-MpPreference -ExclusionProcess "C:\Users\Admin\Videos\Symbiote.exe"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2976

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_arkwlvkr.nv4.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_arkwlvkr.nv4.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          PEStub.dll

          • Path C:\Users\Admin\Videos\PEStub.dll
          • Size 59KB
          • SHA256 5aab76737f2d9f6e6d4d225b12e1123918306d86f1ba5e0f629f97fd3f9710d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Phosphoric.dll

          • Path C:\Users\Admin\Videos\Phosphoric.dll
          • Size 868KB
          • SHA256 bbbf9287cbac6a35d66cd0ac5744298a62b1934cbc8cf2292e3f1efd43ab22fa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          PsPInjector.dll

          • Path C:\Users\Admin\Videos\PsPInjector.dll
          • Size 21KB
          • SHA256 dd93e8ae016728ffcfd0dde17e67768357f909d9b09e73919838b394960f1a8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Symbiote.exe

          • Path C:\Users\Admin\Videos\Symbiote.exe
          • Size 781KB
          • SHA256 dd822836313f979e21c86489d4b2a95a68c258baccb3abdce736d298a2c7ad14
          • MD5 SHA1 SHA512 SSDEEP TLSH

          powershell.exe.log

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 4KB
          • SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 fb485201330a5ca14dc2d7a80ecf88b5c9e53d59929f9234c3ccf7548e2fe73f
          • MD5 SHA1 SHA512 TLSH

          memory/460-1-0x0000000180000000-0x00000001800DD000-memory.dmp

          memory/460-340-0x00007FF6A90F0000-0x00007FF6A922D000-memory.dmp

          memory/460-322-0x0000000140000000-0x000000014002C000-memory.dmp

          memory/460-0-0x00007FF6A90F0000-0x00007FF6A922D000-memory.dmp

          memory/732-338-0x0000020DD3B20000-0x0000020DD3B21000-memory.dmp

          memory/1648-297-0x000002173B5B0000-0x000002173B5BC000-memory.dmp

          memory/1648-299-0x0000021753910000-0x0000021753922000-memory.dmp

          memory/1676-19-0x00000150221E0000-0x00000150222B6000-memory.dmp

          memory/2844-341-0x0000023014390000-0x0000023014466000-memory.dmp

          memory/2976-316-0x00000201E4BC0000-0x00000201E4BD2000-memory.dmp

          memory/2976-315-0x00000201E4B70000-0x00000201E4B7C000-memory.dmp

          memory/3100-54-0x000001DF4E0B0000-0x000001DF4E186000-memory.dmp

          memory/3128-44-0x0000000003090000-0x0000000003091000-memory.dmp

          memory/3128-27-0x00000000031C0000-0x00000000031C1000-memory.dmp

          memory/3736-87-0x00000202AEDD0000-0x00000202AEDDA000-memory.dmp

          memory/3736-42-0x00000202AED00000-0x00000202AEDB3000-memory.dmp

          memory/3736-151-0x00000202AF2A0000-0x00000202AF2AA000-memory.dmp

          memory/3736-206-0x00000202968F0000-0x0000020296902000-memory.dmp

          memory/3736-205-0x0000020296880000-0x000002029688C000-memory.dmp

          memory/3736-133-0x00000202AEDE0000-0x00000202AEDE8000-memory.dmp

          memory/3736-41-0x00000202AECE0000-0x00000202AECFC000-memory.dmp

          memory/3736-99-0x00000202AF280000-0x00000202AF29A000-memory.dmp

          memory/3736-25-0x00000202AEC40000-0x00000202AEC62000-memory.dmp

          memory/3736-137-0x00000202AEDF0000-0x00000202AEDF6000-memory.dmp

          memory/3736-43-0x00000202AEDC0000-0x00000202AEDCA000-memory.dmp

          memory/3736-51-0x00000202AF160000-0x00000202AF17C000-memory.dmp

          memory/3736-17-0x00000202968D0000-0x00000202968E0000-memory.dmp

          memory/3736-16-0x00000202968D0000-0x00000202968E0000-memory.dmp

          memory/4724-320-0x000001EC75060000-0x000001EC7506C000-memory.dmp

          memory/4724-321-0x000001EC75590000-0x000001EC755A2000-memory.dmp

          memory/4832-55-0x0000026C4B250000-0x0000026C4B326000-memory.dmp